﻿A MONOGRAPH 



BRITISH 



DEVONIAN BMCHIOPODA. 



BY 



"THOMAS DAVIDSON, F.R.S.,. F.G.S., 



ETC. 



% 



PART VI. 



LONDON: 



PRINTED FOR THE PALiEONTOGRAPHICAL SOCIETY. 

 1864—1865. 



